Organozinc compounds of the type R
1
—Ar
1
—ZnY (1) can be reacted with different functionalized aryl halides R
2
—Ar
2
—X (2) in the presence of catalytic amounts of Ni or Fe in a polar solvent or solvent mixture to form polyfunctional biaryles of the type R
1
—Ar
1
—Ar
2
—R
2
(3). Organozinc compounds of the type (1) can be represented by the transmetallation reaction of functionalized aryl magnesium halides or lithium aryl compounds with e.g. ZnBr
2
.
类型为R1—Ar1—ZnY(1)的
有机锌化合物可以在极性溶剂或溶剂混合物中存在催化剂量的Ni或Fe的情况下与不同官能化芳基卤化物R2—Ar2—X(2)反应,形成类型为R1—Ar1—Ar2—R2(3)的多官能团
联苯。类型为(1)的
有机锌化合物可以通过官能化芳基
镁卤化物或
锂芳基化合物与例如ZnBr2的转
金属化反应来表示。